Type in Exsel and show formulas please. Thanks.

1. Jackie Rotter took out a loan of $20,000 to be repaid at end of 7 months in one payment with interest at 11%. How much was the interest due? What is the total amount Jackie has to pay back at the end of the loan? 2. Marcia Rodger borrowed $3,500 from Valley Bank at a rate of 9%. The date of the loan was October 10. Marcia hoped to repay the loan by February 10. Assume the loan is based on ordinary interest. What will the interest cost be? How much will Marcia repay on February 10? What would the payback be if exact interest was used? 3. Jerry Stevens wants to know how long it will take $1,100 to amount to $1,750 at a simple interest rate of 8%. Could you help Jerry? Round time in years to nearest tenth. 4. James Co. borrowed $1,200 on a 90-day, 11% note. After 15 days, James paid $200 toward the note. James made an additional payment of $150, 40 days later. What is the final balance due and total interest for the U.S. Rule? Use ordinary interest